Kep1er (케플러) is a South Korean girl group formed through the survival show Girls Planet 999. The group debuted on January 3, 2022, with the mini album FIRST IMPACT. Following contract renewals in 2024, Kep1er continues as a 7-member group consisting of Yujin, Xiaoting, Chaehyun, Dayeon, Hikaru, Huening Bahiyyih, and Youngeun. Former members Mashiro and Yeseo left after their contracts ended.
Kep1er Members Profile
Yujin
- Full Name: Choi Yu-jin
- Stage Name: Yujin
- Position: Leader, Vocalist
- Birthday: August 12, 1996
- Age: 30 years old
- Birthplace: Jeonju, South Korea
- Nationality: Korean
- Zodiac Sign: Leo
- Height: 163 cm (5′ 4″)
- Weight: 42 kg
- Education: Hanlim Multi Arts School
Yujin Facts
- She is the oldest member and leader of Kep1er.
- She was previously a member of CLC.
- She competed on Girls Planet 999 and finished 3rd.
- She is known for her bright personality.
- She has many years of idol experience.
- Fans admire her leadership skills.
- She is skilled in singing and dancing.
- She often takes care of the younger members.
- Her representative animal is a rabbit.
- She is known for her positive attitude.
Xiaoting
- Full Name: Shen Xiao Ting
- Stage Name: Xiaoting
- Position: Main Dancer, Vocalist, Visual
- Birthday: November 12, 1999
- Age: 26 years old
- Birthplace: Chengdu, Sichuan, China
- Nationality: Chinese
- Zodiac Sign: Scorpio
- Height: 168 cm (5′ 6″)
- Education: Sichuan Conservatory of Music University
Xiaoting Facts
- She is the tallest member of Kep1er.
- She trained in ballroom and modern dance.
- She participated in many dance competitions in China.
- She is known for her elegant visuals.
- She speaks Chinese and Korean.
- She enjoys photography.
- She loves shopping and visiting restaurants.
- Fans admire her graceful stage presence.
- She ranked 9th on Girls Planet 999.
- She is one of the group’s visual members.
Chaehyun
- Full Name: Kim Chae-hyun
- Stage Name: Chaehyun
- Position: Main Vocalist, Center
- Birthday: April 26, 2002
- Age: 24 years old
- Birthplace: Busan, South Korea
- Nationality: Korean
- Zodiac Sign: Taurus
- Height: 160 cm (5′ 3″)
- Education: Completed middle and high school equivalency exams while training
Chaehyun Facts
- She finished 1st place on Girls Planet 999.
- She is considered one of the strongest vocalists in Kep1er.
- She trained under SM Entertainment for about four years.
- She can speak Japanese.
- She enjoys photography and gaming.
- She can play the guitar.
- She loves watching movies and dramas.
- Fans praise her clear and stable vocals.
- She is the center of the group.
- She worked hard as an independent trainee before debuting.
Dayeon
- Full Name: Kim Da-yeon
- Stage Name: Dayeon
- Position: Main Dancer, Main Rapper, Vocalist
- Birthday: March 2, 2003
- Age: 23 years old
- Birthplace: Seoul, South Korea
- Nationality: Korean
- Zodiac Sign: Pisces
- Height: 158 cm (5′ 2″)
- Weight: 41 kg
- Education: School of Performing Arts Seoul (SOPA)
Dayeon Facts
- She is known for her excellent dance skills.
- She ranked 4th in Girls Planet 999.
- She enjoys listening to music while walking.
- She loves puppies.
- Her favorite colors include sky blue and purple.
- She is known for her energetic performances.
- She can freestyle dance very well.
- Her role model is her father.
- She is one of the main rappers in the group.
- Fans love her confidence on stage.
Hikaru
- Full Name: Ezaki Hikaru
- Stage Name: Hikaru
- Position: Main Dancer, Main Rapper, Vocalist
- Birthday: March 12, 2004
- Age: 22 years old
- Birthplace: Fukuoka, Japan
- Nationality: Japanese
- Zodiac Sign: Pisces
- Height: 155 cm (5′ 1″)
- Education: Information not publicly confirmed
Hikaru Facts
- She is the shortest member of Kep1er.
- She is known for her powerful rap performances.
- She has a bright and energetic personality.
- She loves relaxing in hot springs.
- Her role model is CL.
- She enjoys trying delicious foods.
- Fans love her unique smile.
- Purple is one of her favorite colors.
- She represented Japan on Girls Planet 999.
- She is one of the group’s strongest performers.
Huening Bahiyyih
- Full Name: Bahiyyih Jaleh Huening
- Stage Name: Huening Bahiyyih
- Position: Vocalist
- Birthday: July 27, 2004
- Age: 22 years old
- Birthplace: Seongnam, Gyeonggi Province, South Korea
- Nationality: Korean-American
- Zodiac Sign: Leo
- Height: 167 cm (5′ 6″)
- Education: Lila Art High School
Huening Bahiyyih Facts
- She is the younger sister of Huening Kai.
- She ranked 2nd on Girls Planet 999.
- She is fluent in Korean and English.
- She has a bright and friendly personality.
- Fans admire her visuals and charm.
- She enjoys spending time with her family.
- She is one of the tallest members.
- She is known for her sweet vocals.
- She has a large international fanbase.
- Her representative animal is a lion.
Youngeun
- Full Name: Seo Young-eun
- Stage Name: Youngeun
- Position: Main Vocalist, Dancer, Maknae
- Birthday: December 27, 2004
- Age: 21 years old
- Birthplace: Gyeonggi Province, South Korea
- Nationality: Korean
- Zodiac Sign: Capricorn
- Height: 159 cm (5′ 3″)
- Education: ModernK Music Academy
Youngeun Facts
- She is the youngest member of Kep1er.
- She is an all-rounder who can sing, dance, and rap.
- She ranked 5th on Girls Planet 999.
- She is known for her strong stage presence.
- She learns choreography quickly.
- Fans love her versatility.
- She has a cheerful personality.
- She enjoys performing energetic songs.
- She is often praised for her live performances.
- She brings a lot of energy to the group.
Former Members Profile
Mashiro
- Full Name: Sakamoto Mashiro
- Birthday: December 16, 1999
- Birthplace: Tokyo, Japan
- Age: 26 years old
- Nationality: Japanese
- Zodiac Sign: Sagittarius
- Height: 158 cm (5’2″)
- Education: Information not publicly confirmed
Mashiro Facts
- She was the co-leader of Kep1er.
- She trained at JYP Entertainment.
- She speaks Korean fluently.
- She is known for her caring personality.
- She loves cooking and walking.
- She was often chosen as a team leader during Girls Planet 999.
Yeseo
- Full Name: Kang Ye-seo
- Birthday: August 22, 2005
- Birthplace: Incheon, South Korea
- Age: 21 years old
- Nationality: Korean
- Zodiac Sign: Leo
- Height: 157 cm (5′ 2″)
- Education: Dongguk University College of Arts
Yeseo Facts
- She was the original maknae of Kep1er.
- She started her career as a child actress.
- She enjoys drawing and reading webtoons.
- Fans love her rabbit-like visuals.
- She is known for her cute and energetic personality.
- She was one of the youngest contestants on Girls Planet 999.
Read: NCT 127 Members and NCT Members Profile.
Kep1er is a talented K-pop girl group known for its diverse members and global popularity. In this guide, we covered the complete Kep1er Members Profile, Age, Height, Names, and Positions, helping fans learn more about each member and their unique role in the group.